The Licensing Act 2003 repealed the two-in-a-bar rule. Except in Slough.
'Where the Council considers that the type of entertainment to be provided may affect residential amenity, or the character of the areas either directly or indirectly, it will attach conditions specifying the type of entertainment which can be provided under the licence and the maximum number of performers.' - P18 of Slough's Statement of Licensing Policy.